Deneche A. Hakim created DRILL-4121:
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Summary: External Sort may not spill if above a receiver
Key: DRILL-4121
URL: https://issues.apache.org/jira/browse/DRILL-4121
Project: Apache Drill
Issue Type: Bug
Affects Versions: 1.1.0
Reporter: Deneche A. Hakim
Assignee: Deneche A. Hakim
If external sort is above a receiver, all received batches will contain non
root buffers. Sort operator doesn't account for non root buffers when
estimating how much memory and if it needs to spill to disk. This may delay the
spill and cause the corresponding Drillbit to use large amounts of memory
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